package com.tyson.server.config.swagger;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

@Configuration
@EnableSwagger2
public class SwaggerConfig {
    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.tyson.server.controller"))
                .paths(PathSelectors.any())
                .build()
                .securityContexts(this.securityContexts())
                .securitySchemes(this.securitySchemes());

    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("沈统顺接口文档")
                .description("日常练习后端接口文档")
                .contact(new Contact("tyson", "test", "1228307492@qq.com"))
                .version("1.0")
                .build();
    }

    private List<ApiKey> securitySchemes() {
        ApiKey apiKey = new ApiKey("Authorization", "Header", "Header");
        return Collections.singletonList(apiKey);
    }

    private List<SecurityContext> securityContexts() {
        return Collections.singletonList(this.getContextByPath("/hello/.*"));
    }

    private SecurityContext getContextByPath(String pathRegex) {
        return SecurityContext.builder()
                .securityReferences(this.defaultAuth())
                .forPaths(PathSelectors.regex(pathRegex))
                .build();

    }

    private List<SecurityReference> defaultAuth() {
        AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        return Collections.singletonList(new SecurityReference("Authorization", authorizationScopes));
    }
}
